SailNet Community - View Single Post - Diesel consumption.
View Single Post
Old 07-10-2012
flyingwelshman's Avatar
flyingwelshman flyingwelshman is online now
Senior Member
Join Date: Aug 2007
Location: Ontario, Canada
Posts: 1,727
Thanks: 15
Thanked 18 Times in 15 Posts
Rep Power: 8
flyingwelshman will become famous soon enough
Re: Diesel consumption.

Originally Posted by blowinstink View Post
I think you want to add RPMs. If I run at 1800 RPM's (my sweet spot) I get @80% power (approx 5kn) and 2hrs/gal. If I run all out at 2800 RPMs I get 100% power (6kn+) but as little as 3/4hr/gal. You want to track your consumption levels. To do that, you'll need to keep an eye on your engine speed.
I guestimated about 2 litres per hour at 2000 RPM - that's about 1 gal(US) per two hours - pretty close.

What size engine do you have and what size boat? do you tow a dinghy?

I have a 30' Hunter (9500#'s approx.) and I used to tow a heavy dink. I just picked up a very light RIB (60 #'s) so mileage will go up. I have a 18 horse Yanmar diesel.
1989 Hunter 30'
Southern Georgian Bay

The sea, once it casts its spell, holds one in its net of wonder forever. - Jacques Yves Cousteau
Reply With Quote Share with Facebook